Base | Representation |
---|---|
bin | 1000001100100… |
… | …00111011111100 |
3 | 11210100220210001 |
4 | 10012100323330 |
5 | 120100013400 |
6 | 10453324044 |
7 | 1463242345 |
oct | 406207374 |
9 | 153326701 |
10 | 68751100 |
11 | 358987a0 |
12 | 1b036624 |
13 | 11322232 |
14 | 91b90cc |
15 | 6080a6a |
hex | 4190efc |
68751100 has 36 divisors (see below), whose sum is σ = 162755208. Its totient is φ = 25000000.
The previous prime is 68751097. The next prime is 68751119. The reversal of 68751100 is 115786.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30151 + ... + 32350.
It is an arithmetic number, because the mean of its divisors is an integer number (4520978).
Almost surely, 268751100 is an apocalyptic number.
It is an amenable number.
68751100 is an abundant number, since it is smaller than the sum of its proper divisors (94004108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68751100 is a wasteful number, since it uses less digits than its factorization.
68751100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62526 (or 62519 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 28.
The square root of 68751100 is about 8291.6283081190. The cubic root of 68751100 is about 409.6628201454.
Adding to 68751100 its reverse (115786), we get a palindrome (68866886).
It can be divided in two parts, 6875 and 1100, that multiplied together give a square (7562500 = 27502).
The spelling of 68751100 in words is "sixty-eight million, seven hundred fifty-one thousand, one hundred".
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